RE: [midcom] Port preservation
"Yutaka Takeda" <takeday@pcrla.com> Sat, 24 April 2004 00:27 UTC
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Subject: RE: [midcom] Port preservation
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Date: Fri, 23 Apr 2004 17:00:38 -0700
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Thread-Topic: [midcom] Port preservation
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From: Yutaka Takeda <takeday@pcrla.com>
To: Pyda Srisuresh <srisuresh@yahoo.com>, Midcom <midcom@ietf.org>, stun@www.vovida.org
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I see. There is one more question. Looking at the Cullen's STUN test result, all the port preservation NATs are of a cone NAT as primary behavior. Do you think there is a reason for that? I mean, if it is 'desirable' to have a certain port number on the NAT, and a host can talk to *multiple* hosts on the port number...? Thanks, Yutaka > -----Original Message----- > From: Pyda Srisuresh [mailto:srisuresh@yahoo.com] > Sent: Friday, April 23, 2004 4:04 PM > To: Yutaka Takeda; Midcom; stun@www.vovida.org > Subject: Re: [midcom] Port preservation > > > Port preservation is desirable in some limited cases where > applications and > protocols require a certain number to be used for source > and/or destination. > ex: IKE-v1 assumes UDP port 500 on both src and dest. > > cheers, > suresh > > --- Yutaka Takeda <takeday@pcrla.com> wrote: > > > > Does anyone know what the real motivation for NAT designers to > > implement the port preservation[1] is? Is there an actual service > > or application that depends on this behavior? I just realized that > > I know such NATs exist but why... > > > > [1] > > > http://www.ietf.org/internet-drafts/draft-jennings-midcom-stun > -results-00.txt > > > > Yutaka > > > > _______________________________________________ > > midcom mailing list > > midcom@ietf.org > > https://www1.ietf.org/mailman/listinfo/midcom > > > ===== > > _______________________________________________ midcom mailing list midcom@ietf.org https://www1.ietf.org/mailman/listinfo/midcom
- [midcom] Port preservation Yutaka Takeda
- Re: [midcom] Port preservation Pyda Srisuresh
- RE: [midcom] Port preservation Yutaka Takeda
- Re: [midcom] Port preservation Cullen Jennings
- RE: [midcom] Port preservation Pyda Srisuresh
- RE: [midcom] Port preservation Christopher A. Martin
- Re: [midcom] Port preservation Jonathan Rosenberg
- RE: [midcom] Port preservation Christopher A. Martin
- RE: [midcom] Port preservation Christopher A. Martin
- Re: [midcom] Port preservation Cullen Jennings
- Re: [stun] Re: [midcom] Port preservation Cullen Jennings
- RE: [midcom] Port preservation Christopher A. Martin
- RE: [midcom] Port preservation Christopher A. Martin
- Re: [midcom] Port preservation Jonathan Rosenberg
- RE: [midcom] Port preservation Christopher A. Martin
- RE: [midcom] Port preservation Christopher A. Martin
- RE: [midcom] Port preservation Yutaka Takeda